unsteady

What it means

1. Not held firmly in position; physically unstable.

   A slightly unsteady item of furniture.

   1 more example

   "Mid-Lent, and the Enemy grins," remarked Selwyn as he started for church with Nina and the children. Austin, knee-deep in a dozen Sunday supplements, refused to stir; poor little Eileen was now convalescent from grippe, but still unsteady on her legs; her maid had taken the grippe, and now moaned all day:[…]"

   1907 August, Robert W[illiam] Chambers, chapter IV, in The Younger Set, New York, N.Y.: D. Appleton & Company, →OCLC

   Synonyms: precarious

2. Lacking regularity or uniformity.

   Synonyms: chaotic

3. Inconstant in purpose, or volatile in behavior.

In a sentence

A slightly unsteady item of furniture.

Where it comes from

From un- + steady. Like steady, the word first appeared in English around 1530. The word is comparable to Old Frisian onstedich, Low German unstadig, etc.